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Finding the Fourth Proportional to 22,221.68, 33,339.82 and 9,085.10

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Solution

The fourth proportional to 22,221.68, 33,339.82 and 9,085.10 is: 13,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221.68 : 33,339.82 = 9,085.10 : x
  2. Step 2: Convert to fraction form
    22,221.68/33,339.82 = 9,085.10/x
  3. Step 3: Cross multiply
    22,221.68x = 33,339.82 × 9,085.10
  4. Step 4: Simplify right side
    22,221.68x = 302,895,598.68
  5. Step 5: Solve for x
    x = 302,895,598.68/22,221.68
  6. Step 6: Final answer
    x = 13,630.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.